@Override
@NotNull
protected FutureTask<Boolean> prepareTask(
@NotNull final PsiFile file, final boolean processChangedTextOnly)
throws IncorrectOperationException {
return new FutureTask<>(
() -> {
FormattingProgressTask.FORMATTING_CANCELLED_FLAG.set(false);
try {
CharSequence before = null;
Document document = PsiDocumentManager.getInstance(myProject).getDocument(file);
if (getInfoCollector() != null) {
LOG.assertTrue(document != null);
before = document.getImmutableCharSequence();
}
CaretVisualPositionKeeper caretPositionKeeper = new CaretVisualPositionKeeper(document);
if (processChangedTextOnly) {
ChangedRangesInfo info =
FormatChangedTextUtil.getInstance().getChangedRangesInfo(file);
if (info != null) {
CodeStyleManager.getInstance(myProject).reformatTextWithContext(file, info);
}
} else {
Collection<TextRange> ranges = getRangesToFormat(file);
CodeStyleManager.getInstance(myProject).reformatText(file, ranges);
}
caretPositionKeeper.restoreOriginalLocation();
if (before != null) {
prepareUserNotificationMessage(document, before);
}
return !FormattingProgressTask.FORMATTING_CANCELLED_FLAG.get();
} catch (FilesTooBigForDiffException e) {
handleFileTooBigException(LOG, e, file);
return false;
} catch (IncorrectOperationException e) {
LOG.error(e);
return false;
} finally {
myRanges.clear();
}
});
}
public void processText(
PsiFile file, final FormatTextRanges ranges, boolean doPostponedFormatting) {
final Project project = file.getProject();
Document document = PsiDocumentManager.getInstance(project).getDocument(file);
final List<FormatTextRanges.FormatTextRange> textRanges = ranges.getRanges();
if (document instanceof DocumentWindow) {
file = InjectedLanguageManager.getInstance(file.getProject()).getTopLevelFile(file);
final DocumentWindow documentWindow = (DocumentWindow) document;
for (FormatTextRanges.FormatTextRange range : textRanges) {
range.setTextRange(documentWindow.injectedToHost(range.getTextRange()));
}
document = documentWindow.getDelegate();
}
final FormattingModelBuilder builder = LanguageFormatting.INSTANCE.forContext(file);
if (builder != null) {
if (file.getTextLength() > 0) {
try {
final PsiElement startElement =
file.findElementAt(textRanges.get(0).getTextRange().getStartOffset());
final PsiElement endElement =
file.findElementAt(
textRanges.get(textRanges.size() - 1).getTextRange().getEndOffset() - 1);
final PsiElement commonParent =
startElement != null && endElement != null
? PsiTreeUtil.findCommonParent(startElement, endElement)
: null;
ASTNode node = null;
if (commonParent != null) {
node = commonParent.getNode();
}
if (node == null) {
node = file.getNode();
}
for (FormatTextRanges.FormatTextRange range : ranges.getRanges()) {
TextRange rangeToUse = preprocess(node, range.getTextRange());
range.setTextRange(rangeToUse);
}
if (doPostponedFormatting) {
RangeMarker[] markers = new RangeMarker[textRanges.size()];
int i = 0;
for (FormatTextRanges.FormatTextRange range : textRanges) {
TextRange textRange = range.getTextRange();
int start = textRange.getStartOffset();
int end = textRange.getEndOffset();
if (start >= 0 && end > start && end <= document.getTextLength()) {
markers[i] = document.createRangeMarker(textRange);
markers[i].setGreedyToLeft(true);
markers[i].setGreedyToRight(true);
i++;
}
}
final PostprocessReformattingAspect component =
file.getProject().getComponent(PostprocessReformattingAspect.class);
FormattingProgressTask.FORMATTING_CANCELLED_FLAG.set(false);
component.doPostponedFormatting(file.getViewProvider());
i = 0;
for (FormatTextRanges.FormatTextRange range : textRanges) {
RangeMarker marker = markers[i];
if (marker != null) {
range.setTextRange(TextRange.create(marker));
marker.dispose();
}
i++;
}
}
if (FormattingProgressTask.FORMATTING_CANCELLED_FLAG.get()) {
return;
}
final FormattingModel originalModel =
CoreFormatterUtil.buildModel(builder, file, mySettings, FormattingMode.REFORMAT);
final FormattingModel model =
new DocumentBasedFormattingModel(
originalModel.getRootBlock(),
document,
project,
mySettings,
file.getFileType(),
file);
FormatterEx formatter = FormatterEx.getInstanceEx();
if (CodeStyleManager.getInstance(project).isSequentialProcessingAllowed()) {
formatter.setProgressTask(new FormattingProgressTask(project, file, document));
}
CommonCodeStyleSettings.IndentOptions indentOptions = null;
if (builder instanceof FormattingModelBuilderEx) {
indentOptions =
((FormattingModelBuilderEx) builder)
.getIndentOptionsToUse(file, ranges, mySettings);
}
if (indentOptions == null) {
indentOptions = mySettings.getIndentOptions(file.getFileType());
}
formatter.format(model, mySettings, indentOptions, ranges);
for (FormatTextRanges.FormatTextRange range : textRanges) {
TextRange textRange = range.getTextRange();
wrapLongLinesIfNecessary(
file, document, textRange.getStartOffset(), textRange.getEndOffset());
}
} catch (IncorrectOperationException e) {
LOG.error(e);
}
}
}
}